February 28, 2005 (Press Release) --
Question: SMTP error 553
Our ISP is touchtell and we are using VSNL mails. Some mails are not gone to destinations. help us.
Message from:< a@b.com > to: Direct delivery fail! 553 Mail from
61.*.*.* not allowed , deferred - see Also see
Answer:
The error 553 means: Requested Not Action: mailbox Not name
This response is issued by the server if the format of an SMTP address specified in an RCPT command is invalid or incorrectly formatted.
Our ISP is touchtell and we are using VSNL mails. Some mails are not gone to destinations. help us.
Message from:< a@b.com > to: Direct delivery fail! 553 Mail from
61.*.*.* not allowed , deferred - see Also see
Answer:
The error 553 means: Requested Not Action: mailbox Not name
This response is issued by the server if the format of an SMTP address specified in an RCPT command is invalid or incorrectly formatted.

SMTP error 553 - QK SMTP Server
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